Y02B 50/00
Energy efficient technologies in elevators, escalators and moving walkways
Official title: Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
Y02B50/00 (Energy efficient technologies in elevators, escalators and moving walkways) appears on 224 US grants and 220 published applications in this corpus.
Search patents in Y02B- Granted patents
- 224
- Published applications
- 220
- Assignees
- 85
- Inventors
- 499
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 2 |
| 2002 | 4 | 3 |
| 2003 | 4 | 4 |
| 2004 | 4 | 6 |
| 2005 | 5 | 4 |
| 2006 | 2 | 3 |
| 2007 | 3 | 7 |
| 2008 | 2 | 7 |
| 2009 | 6 | 4 |
| 2010 | 3 | 6 |
| 2011 | 7 | 10 |
| 2012 | 4 | 13 |
| 2013 | 9 | 15 |
| 2014 | 7 | 10 |
| 2015 | 13 | 13 |
| 2016 | 10 | 7 |
| 2017 | 12 | 8 |
| 2018 | 7 | 8 |
| 2019 | 8 | 11 |
| 2020 | 8 | 17 |
| 2021 | 9 | 20 |
| 2022 | 15 | 12 |
| 2023 | 13 | 15 |
| 2024 | 6 | 10 |
| 2025 | 15 | 1 |
| 2026 | 8 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Elevator with car having two batteries that can charge each other7 Jul 2026US 12,676,490 B2Mitsubishi Electric Corporation
- Apparatus and method for controlling an escalator system or an automated walkway system16 Jun 2026US 12,654,994 B2Otis Elevator Company
- Electric boiler device based on utilization of residual energy of elevator, and control method19 May 2026US 12,631,346 B2Zhejiang University of Technology
- Elevator control unit and a method for determining energy and/or power consumption of an elevator24 Mar 2026US 12,583,710 B2Kone Corporation
- Passenger interface for shuttle elevator system3 Feb 2026US 12,540,051 B2Otis Elevator Company
- Sabbath elevator6 Aug 2026US 2026/0225851 A1
- Electric connection structure for electric lifting desk frame and electric lifting desk23 Jul 2026US 2026/0206962 A1Changzhou Kaidi Electrical Co., Ltd.
- Intelligent control system based on elevator2 Jul 2026US 2026/0184534 A1Lockis Technology Limited
- Modernization escalator25 Jun 2026US 2026/0176076 A1Hanson Lift (Suzhou) Co., Ltd.
- Moving device19 Jun 2025US 2025/0195301 A1Lifehub Inc.
Most cited
By later US patents
- Automated material handling system with load transfer vehicles189US 7,931,431 B2BEC Companies, Inc. · 2011
- Elevator control system68US 5,663,538 A1997
- Storage lift44US 6,676,233 B12004
- Scissor lift apparatus for work platforms and the like39US 5,394,959 ASimon Aerials, Inc. · 1995
- Elevator power source device38US 5,058,710 AOtis Elevator Company · 1991